2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <linux/kernel.h>
21 #include <linux/string.h>
29 #include <pcie_core.h>
40 #include <sbsdpcmdev.h>
45 /* this file now contains only definitions for sb functions, only necessary
46 *for devices using Sonics backplanes (bcm4329)
49 /* if an amba SDIO device is supported, please further restrict the inclusion
53 #include "siutils_priv.h"
56 /* local prototypes */
57 static si_info_t *si_doattach(si_info_t *sii, uint devid, osl_t *osh,
58 void *regs, uint bustype, void *sdh, char **vars,
60 static bool si_buscore_prep(si_info_t *sii, uint bustype, uint devid,
62 static bool si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
63 u32 savewin, uint *origidx, void *regs);
64 static void si_nvram_process(si_info_t *sii, char *pvars);
66 /* dev path concatenation util */
67 static char *si_devpathvar(si_t *sih, char *var, int len, const char *name);
68 static bool _si_clkctl_cc(si_info_t *sii, uint mode);
69 static bool si_ispcie(si_info_t *sii);
70 static uint socram_banksize(si_info_t *sii, sbsocramregs_t *r,
73 /* global variable to indicate reservation/release of gpio's */
74 static u32 si_gpioreservation;
77 * Allocate a si handle.
78 * devid - pci device id (used to determine chip#)
79 * osh - opaque OS handle
80 * regs - virtual address of initial core registers
81 * bustype - pci/sb/sdio/etc
82 * vars - pointer to a pointer area for "environment" variables
83 * varsz - pointer to int to return the size of the vars
85 si_t *si_attach(uint devid, osl_t *osh, void *regs, uint bustype, void *sdh,
86 char **vars, uint *varsz)
91 sii = MALLOC(osh, sizeof(si_info_t));
93 SI_ERROR(("si_attach: malloc failed! malloced %d bytes\n",
98 if (si_doattach(sii, devid, osh, regs, bustype, sdh, vars, varsz) ==
100 MFREE(osh, sii, sizeof(si_info_t));
103 sii->vars = vars ? *vars : NULL;
104 sii->varsz = varsz ? *varsz : 0;
109 /* global kernel resource */
110 static si_info_t ksii;
112 static bool si_buscore_prep(si_info_t *sii, uint bustype, uint devid,
117 /* kludge to enable the clock on the 4306 which lacks a slowclock */
118 if (BUSTYPE(bustype) == PCI_BUS && !si_ispcie(sii))
119 si_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
123 if (BUSTYPE(bustype) == SDIO_BUS) {
127 /* Try forcing SDIO core to do ALPAvail request only */
128 clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ;
129 bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR,
134 /* If register supported, wait for ALPAvail and then force ALP */
136 bcmsdh_cfg_read(sdh, SDIO_FUNC_1,
137 SBSDIO_FUNC1_CHIPCLKCSR, NULL);
138 if ((clkval & ~SBSDIO_AVBITS) == clkset) {
140 bcmsdh_cfg_read(sdh, SDIO_FUNC_1,
141 SBSDIO_FUNC1_CHIPCLKCSR,
143 !SBSDIO_ALPAV(clkval)),
144 PMU_MAX_TRANSITION_DLY);
145 if (!SBSDIO_ALPAV(clkval)) {
146 SI_ERROR(("timeout on ALPAV wait, clkval 0x%02x\n", clkval));
150 SBSDIO_FORCE_HW_CLKREQ_OFF |
152 bcmsdh_cfg_write(sdh, SDIO_FUNC_1,
153 SBSDIO_FUNC1_CHIPCLKCSR,
159 /* Also, disable the extra SDIO pull-ups */
160 bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SDIOPULLUP, 0,
163 #endif /* defined(BCMSDIO) */
168 static bool si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
169 u32 savewin, uint *origidx, void *regs)
173 uint pciidx, pcieidx, pcirev, pcierev;
175 cc = si_setcoreidx(&sii->pub, SI_CC_IDX);
178 /* get chipcommon rev */
179 sii->pub.ccrev = (int)si_corerev(&sii->pub);
181 /* get chipcommon chipstatus */
182 if (sii->pub.ccrev >= 11)
183 sii->pub.chipst = R_REG(sii->osh, &cc->chipstatus);
185 /* get chipcommon capabilites */
186 sii->pub.cccaps = R_REG(sii->osh, &cc->capabilities);
187 /* get chipcommon extended capabilities */
190 if (sii->pub.ccrev >= 35)
191 sii->pub.cccaps_ext = R_REG(sii->osh, &cc->capabilities_ext);
193 /* get pmu rev and caps */
194 if (sii->pub.cccaps & CC_CAP_PMU) {
195 sii->pub.pmucaps = R_REG(sii->osh, &cc->pmucapabilities);
196 sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
200 SI_MSG(("Chipc: rev %d, caps 0x%x, chipst 0x%x pmurev %d, pmucaps 0x%x\n",
201 sii->pub.ccrev, sii->pub.cccaps, sii->pub.chipst, sii->pub.pmurev,
205 /* figure out bus/orignal core idx */
206 sii->pub.buscoretype = NODEV_CORE_ID;
207 sii->pub.buscorerev = NOREV;
208 sii->pub.buscoreidx = BADIDX;
211 pcirev = pcierev = NOREV;
212 pciidx = pcieidx = BADIDX;
214 for (i = 0; i < sii->numcores; i++) {
217 si_setcoreidx(&sii->pub, i);
218 cid = si_coreid(&sii->pub);
219 crev = si_corerev(&sii->pub);
221 /* Display cores found */
222 SI_VMSG(("CORE[%d]: id 0x%x rev %d base 0x%x regs 0x%p\n",
223 i, cid, crev, sii->coresba[i], sii->regs[i]));
225 if (BUSTYPE(bustype) == PCI_BUS) {
226 if (cid == PCI_CORE_ID) {
230 } else if (cid == PCIE_CORE_ID) {
237 else if (((BUSTYPE(bustype) == SDIO_BUS) ||
238 (BUSTYPE(bustype) == SPI_BUS)) &&
239 ((cid == PCMCIA_CORE_ID) || (cid == SDIOD_CORE_ID))) {
240 sii->pub.buscorerev = crev;
241 sii->pub.buscoretype = cid;
242 sii->pub.buscoreidx = i;
246 /* find the core idx before entering this func. */
247 if ((savewin && (savewin == sii->coresba[i])) ||
248 (regs == sii->regs[i]))
253 SI_MSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
254 sii->pub.buscoretype, sii->pub.buscorerev));
256 /* Make sure any on-chip ARM is off (in case strapping is wrong),
257 * or downloaded code was
260 if ((BUSTYPE(bustype) == SDIO_BUS) || (BUSTYPE(bustype) == SPI_BUS)) {
261 if (si_setcore(&sii->pub, ARM7S_CORE_ID, 0) ||
262 si_setcore(&sii->pub, ARMCM3_CORE_ID, 0))
263 si_core_disable(&sii->pub, 0);
273 sii->pub.buscoretype = PCI_CORE_ID;
274 sii->pub.buscorerev = pcirev;
275 sii->pub.buscoreidx = pciidx;
277 sii->pub.buscoretype = PCIE_CORE_ID;
278 sii->pub.buscorerev = pcierev;
279 sii->pub.buscoreidx = pcieidx;
282 SI_VMSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
283 sii->pub.buscoretype, sii->pub.buscorerev));
285 /* fixup necessary chip/core configurations */
286 if (BUSTYPE(sii->pub.bustype) == PCI_BUS) {
289 sii->pch = (void *)pcicore_init(
291 (void *)PCIEREGS(sii));
292 if (sii->pch == NULL)
296 if (si_pci_fixcfg(&sii->pub)) {
297 SI_ERROR(("si_doattach: sb_pci_fixcfg failed\n"));
302 /* return to the original core */
303 si_setcoreidx(&sii->pub, *origidx);
308 static __used void si_nvram_process(si_info_t *sii, char *pvars)
312 /* get boardtype and boardrev */
313 switch (BUSTYPE(sii->pub.bustype)) {
315 /* do a pci config read to get subsystem id and subvendor id */
316 w = OSL_PCI_READ_CONFIG(sii->osh, PCI_CFG_SVID, sizeof(u32));
317 /* Let nvram variables override subsystem Vend/ID */
318 sii->pub.boardvendor = (u16)si_getdevpathintvar(&sii->pub,
320 if (sii->pub.boardvendor == 0)
321 sii->pub.boardvendor = w & 0xffff;
323 SI_ERROR(("Overriding boardvendor: 0x%x instead of 0x%x\n", sii->pub.boardvendor, w & 0xffff));
324 sii->pub.boardtype = (u16)si_getdevpathintvar(&sii->pub,
326 if (sii->pub.boardtype == 0)
327 sii->pub.boardtype = (w >> 16) & 0xffff;
329 SI_ERROR(("Overriding boardtype: 0x%x instead of 0x%x\n", sii->pub.boardtype, (w >> 16) & 0xffff));
335 sii->pub.boardvendor = getintvar(pvars, "manfid");
336 sii->pub.boardtype = getintvar(pvars, "prodid");
341 sii->pub.boardvendor = VENDOR_BROADCOM;
342 sii->pub.boardtype = SPI_BOARD;
348 sii->pub.boardvendor = VENDOR_BROADCOM;
349 sii->pub.boardtype = getintvar(pvars, "prodid");
350 if (pvars == NULL || (sii->pub.boardtype == 0)) {
351 sii->pub.boardtype = getintvar(NULL, "boardtype");
352 if (sii->pub.boardtype == 0)
353 sii->pub.boardtype = 0xffff;
358 if (sii->pub.boardtype == 0) {
359 SI_ERROR(("si_doattach: unknown board type\n"));
360 ASSERT(sii->pub.boardtype);
363 sii->pub.boardflags = getintvar(pvars, "boardflags");
366 /* this is will make Sonics calls directly, since Sonics is no longer supported in the Si abstraction */
367 /* this has been customized for the bcm 4329 ONLY */
369 static si_info_t *si_doattach(si_info_t *sii, uint devid, osl_t *osh,
370 void *regs, uint bustype, void *sdh,
371 char **vars, uint *varsz)
373 struct si_pub *sih = &sii->pub;
379 ASSERT(GOODREGS(regs));
381 bzero((unsigned char *) sii, sizeof(si_info_t));
385 sih->buscoreidx = BADIDX;
391 /* find Chipcommon address */
392 cc = (chipcregs_t *) sii->curmap;
393 sih->bustype = bustype;
395 if (bustype != BUSTYPE(bustype)) {
396 SI_ERROR(("si_doattach: bus type %d does not match configured bus type %d\n", bustype, BUSTYPE(bustype)));
400 /* bus/core/clk setup for register access */
401 if (!si_buscore_prep(sii, bustype, devid, sdh)) {
402 SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
407 /* ChipID recognition.
408 * We assume we can read chipid at offset 0 from the regs arg.
409 * If we add other chiptypes (or if we need to support old sdio hosts w/o chipcommon),
410 * some way of recognizing them needs to be added here.
412 w = R_REG(osh, &cc->chipid);
413 sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
414 /* Might as wll fill in chip id rev & pkg */
415 sih->chip = w & CID_ID_MASK;
416 sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
417 sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
419 if ((CHIPID(sih->chip) == BCM4329_CHIP_ID) &&
420 (sih->chippkg != BCM4329_289PIN_PKG_ID))
421 sih->chippkg = BCM4329_182PIN_PKG_ID;
423 sih->issim = IS_SIM(sih->chippkg);
426 /* SI_MSG(("Found chip type SB (0x%08x)\n", w)); */
427 sb_scan(&sii->pub, regs, devid);
429 /* no cores found, bail out */
430 if (sii->numcores == 0) {
431 SI_ERROR(("si_doattach: could not find any cores\n"));
434 /* bus/core/clk setup */
436 if (!si_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
437 SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
444 /* Init nvram from flash if it exists */
445 nvram_init((void *)&(sii->pub));
447 /* Init nvram from sprom/otp if they exist */
449 (&sii->pub, BUSTYPE(bustype), regs, sii->osh, vars, varsz)) {
450 SI_ERROR(("si_doattach: srom_var_init failed: bad srom\n"));
453 pvars = vars ? *vars : NULL;
454 si_nvram_process(sii, pvars);
457 /* === NVRAM, clock is ready === */
460 if (sii->pub.ccrev >= 20) {
462 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
463 W_REG(osh, &cc->gpiopullup, 0);
464 W_REG(osh, &cc->gpiopulldown, 0);
465 sb_setcoreidx(sih, origidx);
471 /* PMU specific initializations */
472 if (PMUCTL_ENAB(sih)) {
474 si_pmu_init(sih, sii->osh);
475 si_pmu_chip_init(sih, sii->osh);
476 xtalfreq = getintvar(pvars, "xtalfreq");
477 /* If xtalfreq var not available, try to measure it */
479 xtalfreq = si_pmu_measure_alpclk(sih, sii->osh);
480 si_pmu_pll_init(sih, sii->osh, xtalfreq);
481 si_pmu_res_init(sih, sii->osh);
482 si_pmu_swreg_init(sih, sii->osh);
485 /* setup the GPIO based LED powersave register */
486 w = getintvar(pvars, "leddc");
488 w = DEFAULT_GPIOTIMERVAL;
489 sb_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, gpiotimerval), ~0, w);
492 /* clear any previous epidiag-induced target abort */
493 sb_taclear(sih, false);
504 static si_info_t *si_doattach(si_info_t *sii, uint devid, osl_t *osh,
505 void *regs, uint bustype, void *sdh,
506 char **vars, uint *varsz)
508 struct si_pub *sih = &sii->pub;
514 ASSERT(GOODREGS(regs));
516 bzero((unsigned char *) sii, sizeof(si_info_t));
520 sih->buscoreidx = BADIDX;
526 /* check to see if we are a si core mimic'ing a pci core */
527 if ((bustype == PCI_BUS) &&
528 (OSL_PCI_READ_CONFIG(sii->osh, PCI_SPROM_CONTROL, sizeof(u32)) ==
530 SI_ERROR(("%s: incoming bus is PCI but it's a lie, switching to SI " "devid:0x%x\n", __func__, devid));
534 /* find Chipcommon address */
535 if (bustype == PCI_BUS) {
537 OSL_PCI_READ_CONFIG(sii->osh, PCI_BAR0_WIN, sizeof(u32));
538 if (!GOODCOREADDR(savewin, SI_ENUM_BASE))
539 savewin = SI_ENUM_BASE;
540 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, SI_ENUM_BASE);
541 cc = (chipcregs_t *) regs;
543 cc = (chipcregs_t *) REG_MAP(SI_ENUM_BASE, SI_CORE_SIZE);
546 sih->bustype = bustype;
547 if (bustype != BUSTYPE(bustype)) {
548 SI_ERROR(("si_doattach: bus type %d does not match configured bus type %d\n", bustype, BUSTYPE(bustype)));
552 /* bus/core/clk setup for register access */
553 if (!si_buscore_prep(sii, bustype, devid, sdh)) {
554 SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
559 /* ChipID recognition.
560 * We assume we can read chipid at offset 0 from the regs arg.
561 * If we add other chiptypes (or if we need to support old sdio hosts w/o chipcommon),
562 * some way of recognizing them needs to be added here.
564 w = R_REG(osh, &cc->chipid);
565 sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
566 /* Might as wll fill in chip id rev & pkg */
567 sih->chip = w & CID_ID_MASK;
568 sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
569 sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
571 sih->issim = IS_SIM(sih->chippkg);
574 if (CHIPTYPE(sii->pub.socitype) == SOCI_AI) {
575 SI_MSG(("Found chip type AI (0x%08x)\n", w));
576 /* pass chipc address instead of original core base */
577 ai_scan(&sii->pub, (void *)cc, devid);
579 SI_ERROR(("Found chip of unknown type (0x%08x)\n", w));
582 /* no cores found, bail out */
583 if (sii->numcores == 0) {
584 SI_ERROR(("si_doattach: could not find any cores\n"));
587 /* bus/core/clk setup */
589 if (!si_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
590 SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
594 /* assume current core is CC */
595 if ((sii->pub.ccrev == 0x25)
597 ((CHIPID(sih->chip) == BCM43236_CHIP_ID
598 || CHIPID(sih->chip) == BCM43235_CHIP_ID
599 || CHIPID(sih->chip) == BCM43238_CHIP_ID)
600 && (CHIPREV(sii->pub.chiprev) <= 2))) {
602 if ((cc->chipstatus & CST43236_BP_CLK) != 0) {
604 clkdiv = R_REG(osh, &cc->clkdiv);
605 /* otp_clk_div is even number, 120/14 < 9mhz */
606 clkdiv = (clkdiv & ~CLKD_OTP) | (14 << CLKD_OTP_SHIFT);
607 W_REG(osh, &cc->clkdiv, clkdiv);
608 SI_ERROR(("%s: set clkdiv to %x\n", __func__, clkdiv));
613 /* Init nvram from flash if it exists */
614 nvram_init((void *)&(sii->pub));
616 /* Init nvram from sprom/otp if they exist */
618 (&sii->pub, BUSTYPE(bustype), regs, sii->osh, vars, varsz)) {
619 SI_ERROR(("si_doattach: srom_var_init failed: bad srom\n"));
622 pvars = vars ? *vars : NULL;
623 si_nvram_process(sii, pvars);
625 /* === NVRAM, clock is ready === */
626 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
627 W_REG(osh, &cc->gpiopullup, 0);
628 W_REG(osh, &cc->gpiopulldown, 0);
629 si_setcoreidx(sih, origidx);
631 /* PMU specific initializations */
632 if (PMUCTL_ENAB(sih)) {
634 si_pmu_init(sih, sii->osh);
635 si_pmu_chip_init(sih, sii->osh);
636 xtalfreq = getintvar(pvars, "xtalfreq");
637 /* If xtalfreq var not available, try to measure it */
639 xtalfreq = si_pmu_measure_alpclk(sih, sii->osh);
640 si_pmu_pll_init(sih, sii->osh, xtalfreq);
641 si_pmu_res_init(sih, sii->osh);
642 si_pmu_swreg_init(sih, sii->osh);
645 /* setup the GPIO based LED powersave register */
646 w = getintvar(pvars, "leddc");
648 w = DEFAULT_GPIOTIMERVAL;
649 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, gpiotimerval), ~0, w);
652 ASSERT(sii->pch != NULL);
653 pcicore_attach(sii->pch, pvars, SI_DOATTACH);
656 if ((CHIPID(sih->chip) == BCM43224_CHIP_ID) ||
657 (CHIPID(sih->chip) == BCM43421_CHIP_ID)) {
658 /* enable 12 mA drive strenth for 43224 and set chipControl register bit 15 */
659 if (CHIPREV(sih->chiprev) == 0) {
660 SI_MSG(("Applying 43224A0 WARs\n"));
661 si_corereg(sih, SI_CC_IDX,
662 offsetof(chipcregs_t, chipcontrol),
663 CCTRL43224_GPIO_TOGGLE,
664 CCTRL43224_GPIO_TOGGLE);
665 si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE,
666 CCTRL_43224A0_12MA_LED_DRIVE);
668 if (CHIPREV(sih->chiprev) >= 1) {
669 SI_MSG(("Applying 43224B0+ WARs\n"));
670 si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE,
671 CCTRL_43224B0_12MA_LED_DRIVE);
675 if (CHIPID(sih->chip) == BCM4313_CHIP_ID) {
676 /* enable 12 mA drive strenth for 4313 and set chipControl register bit 1 */
677 SI_MSG(("Applying 4313 WARs\n"));
678 si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
679 CCTRL_4313_12MA_LED_DRIVE);
682 if (CHIPID(sih->chip) == BCM4331_CHIP_ID) {
683 /* Enable Ext PA lines depending on chip package option */
684 si_chipcontrl_epa4331(sih, true);
689 if (BUSTYPE(sih->bustype) == PCI_BUS) {
691 pcicore_deinit(sii->pch);
699 /* may be called with core in reset */
700 void si_detach(si_t *sih)
705 struct si_pub *si_local = NULL;
706 bcopy(&sih, &si_local, sizeof(si_t **));
713 if (BUSTYPE(sih->bustype) == SI_BUS)
714 for (idx = 0; idx < SI_MAXCORES; idx++)
715 if (sii->regs[idx]) {
716 REG_UNMAP(sii->regs[idx]);
717 sii->regs[idx] = NULL;
721 nvram_exit((void *)si_local); /* free up nvram buffers */
723 if (BUSTYPE(sih->bustype) == PCI_BUS) {
725 pcicore_deinit(sii->pch);
729 #if !defined(BCMBUSTYPE) || (BCMBUSTYPE == SI_BUS)
731 #endif /* !BCMBUSTYPE || (BCMBUSTYPE == SI_BUS) */
732 MFREE(sii->osh, sii, sizeof(si_info_t));
735 void *si_osh(si_t *sih)
743 /* register driver interrupt disabling and restoring callback functions */
745 si_register_intr_callback(si_t *sih, void *intrsoff_fn, void *intrsrestore_fn,
746 void *intrsenabled_fn, void *intr_arg)
751 sii->intr_arg = intr_arg;
752 sii->intrsoff_fn = (si_intrsoff_t) intrsoff_fn;
753 sii->intrsrestore_fn = (si_intrsrestore_t) intrsrestore_fn;
754 sii->intrsenabled_fn = (si_intrsenabled_t) intrsenabled_fn;
755 /* save current core id. when this function called, the current core
756 * must be the core which provides driver functions(il, et, wl, etc.)
758 sii->dev_coreid = sii->coreid[sii->curidx];
761 void si_deregister_intr_callback(si_t *sih)
766 sii->intrsoff_fn = NULL;
769 uint si_flag(si_t *sih)
771 if (CHIPTYPE(sih->socitype) == SOCI_AI)
779 void si_setint(si_t *sih, int siflag)
781 if (CHIPTYPE(sih->socitype) == SOCI_AI)
782 ai_setint(sih, siflag);
788 uint si_coreid(si_t *sih)
793 return sii->coreid[sii->curidx];
797 uint si_coreidx(si_t *sih)
805 bool si_backplane64(si_t *sih)
807 return (sih->cccaps & CC_CAP_BKPLN64) != 0;
811 uint si_corerev(si_t *sih)
813 if (CHIPTYPE(sih->socitype) == SOCI_AI)
814 return ai_corerev(sih);
822 /* return index of coreid or BADIDX if not found */
823 uint si_findcoreidx(si_t *sih, uint coreid, uint coreunit)
833 for (i = 0; i < sii->numcores; i++)
834 if (sii->coreid[i] == coreid) {
835 if (found == coreunit)
844 * This function changes logical "focus" to the indicated core;
845 * must be called with interrupts off.
846 * Moreover, callers should keep interrupts off during switching out of and back to d11 core
848 void *si_setcore(si_t *sih, uint coreid, uint coreunit)
852 idx = si_findcoreidx(sih, coreid, coreunit);
856 if (CHIPTYPE(sih->socitype) == SOCI_AI)
857 return ai_setcoreidx(sih, idx);
860 return sb_setcoreidx(sih, idx);
869 void *si_setcoreidx(si_t *sih, uint coreidx)
871 if (CHIPTYPE(sih->socitype) == SOCI_AI)
872 return ai_setcoreidx(sih, coreidx);
880 /* Turn off interrupt as required by sb_setcore, before switch core */
881 void *si_switch_core(si_t *sih, uint coreid, uint *origidx, uint *intr_val)
889 /* Overloading the origidx variable to remember the coreid,
890 * this works because the core ids cannot be confused with
894 if (coreid == CC_CORE_ID)
895 return (void *)CCREGS_FAST(sii);
896 else if (coreid == sih->buscoretype)
897 return (void *)PCIEREGS(sii);
899 INTR_OFF(sii, *intr_val);
900 *origidx = sii->curidx;
901 cc = si_setcore(sih, coreid, 0);
907 /* restore coreidx and restore interrupt */
908 void si_restore_core(si_t *sih, uint coreid, uint intr_val)
914 && ((coreid == CC_CORE_ID) || (coreid == sih->buscoretype)))
917 si_setcoreidx(sih, coreid);
918 INTR_RESTORE(sii, intr_val);
921 u32 si_core_cflags(si_t *sih, u32 mask, u32 val)
923 if (CHIPTYPE(sih->socitype) == SOCI_AI)
924 return ai_core_cflags(sih, mask, val);
931 u32 si_core_sflags(si_t *sih, u32 mask, u32 val)
933 if (CHIPTYPE(sih->socitype) == SOCI_AI)
934 return ai_core_sflags(sih, mask, val);
941 bool si_iscoreup(si_t *sih)
943 if (CHIPTYPE(sih->socitype) == SOCI_AI)
944 return ai_iscoreup(sih);
947 return sb_iscoreup(sih);
955 void si_write_wrapperreg(si_t *sih, u32 offset, u32 val)
957 /* only for 4319, no requirement for SOCI_SB */
958 if (CHIPTYPE(sih->socitype) == SOCI_AI) {
959 ai_write_wrap_reg(sih, offset, val);
963 uint si_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
966 if (CHIPTYPE(sih->socitype) == SOCI_AI)
967 return ai_corereg(sih, coreidx, regoff, mask, val);
970 return sb_corereg(sih, coreidx, regoff, mask, val);
978 void si_core_disable(si_t *sih, u32 bits)
981 if (CHIPTYPE(sih->socitype) == SOCI_AI)
982 ai_core_disable(sih, bits);
985 sb_core_disable(sih, bits);
989 void si_core_reset(si_t *sih, u32 bits, u32 resetbits)
991 if (CHIPTYPE(sih->socitype) == SOCI_AI)
992 ai_core_reset(sih, bits, resetbits);
995 sb_core_reset(sih, bits, resetbits);
999 u32 si_alp_clock(si_t *sih)
1001 if (PMUCTL_ENAB(sih))
1002 return si_pmu_alp_clock(sih, si_osh(sih));
1007 u32 si_ilp_clock(si_t *sih)
1009 if (PMUCTL_ENAB(sih))
1010 return si_pmu_ilp_clock(sih, si_osh(sih));
1015 /* set chip watchdog reset timer to fire in 'ticks' */
1018 si_watchdog(si_t *sih, uint ticks)
1020 if (PMUCTL_ENAB(sih)) {
1022 if ((sih->chip == BCM4319_CHIP_ID) && (sih->chiprev == 0) &&
1024 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t,
1025 clk_ctl_st), ~0, 0x2);
1026 si_setcore(sih, USB20D_CORE_ID, 0);
1027 si_core_disable(sih, 1);
1028 si_setcore(sih, CC_CORE_ID, 0);
1033 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmuwatchdog),
1037 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, watchdog),
1042 void si_watchdog(si_t *sih, uint ticks)
1046 if (PMUCTL_ENAB(sih)) {
1048 if ((CHIPID(sih->chip) == BCM4319_CHIP_ID) &&
1049 (CHIPREV(sih->chiprev) == 0) && (ticks != 0)) {
1050 si_corereg(sih, SI_CC_IDX,
1051 offsetof(chipcregs_t, clk_ctl_st), ~0, 0x2);
1052 si_setcore(sih, USB20D_CORE_ID, 0);
1053 si_core_disable(sih, 1);
1054 si_setcore(sih, CC_CORE_ID, 0);
1057 nb = (sih->ccrev < 26) ? 16 : ((sih->ccrev >= 37) ? 32 : 24);
1058 /* The mips compiler uses the sllv instruction,
1059 * so we specially handle the 32-bit case.
1064 maxt = ((1 << nb) - 1);
1068 else if (ticks > maxt)
1071 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmuwatchdog),
1074 /* make sure we come up in fast clock mode; or if clearing, clear clock */
1075 si_clkctl_cc(sih, ticks ? CLK_FAST : CLK_DYNAMIC);
1076 maxt = (1 << 28) - 1;
1080 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, watchdog), ~0,
1086 /* return the slow clock source - LPO, XTAL, or PCI */
1087 static uint si_slowclk_src(si_info_t *sii)
1091 ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID);
1093 if (sii->pub.ccrev < 6) {
1094 if ((BUSTYPE(sii->pub.bustype) == PCI_BUS) &&
1095 (OSL_PCI_READ_CONFIG(sii->osh, PCI_GPIO_OUT, sizeof(u32))
1096 & PCI_CFG_GPIO_SCS))
1100 } else if (sii->pub.ccrev < 10) {
1101 cc = (chipcregs_t *) si_setcoreidx(&sii->pub, sii->curidx);
1102 return R_REG(sii->osh, &cc->slow_clk_ctl) & SCC_SS_MASK;
1103 } else /* Insta-clock */
1107 /* return the ILP (slowclock) min or max frequency */
1108 static uint si_slowclk_freq(si_info_t *sii, bool max_freq, chipcregs_t *cc)
1113 ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID);
1115 /* shouldn't be here unless we've established the chip has dynamic clk control */
1116 ASSERT(R_REG(sii->osh, &cc->capabilities) & CC_CAP_PWR_CTL);
1118 slowclk = si_slowclk_src(sii);
1119 if (sii->pub.ccrev < 6) {
1120 if (slowclk == SCC_SS_PCI)
1121 return max_freq ? (PCIMAXFREQ / 64)
1122 : (PCIMINFREQ / 64);
1124 return max_freq ? (XTALMAXFREQ / 32)
1125 : (XTALMINFREQ / 32);
1126 } else if (sii->pub.ccrev < 10) {
1128 (((R_REG(sii->osh, &cc->slow_clk_ctl) & SCC_CD_MASK) >>
1130 if (slowclk == SCC_SS_LPO)
1131 return max_freq ? LPOMAXFREQ : LPOMINFREQ;
1132 else if (slowclk == SCC_SS_XTAL)
1133 return max_freq ? (XTALMAXFREQ / div)
1134 : (XTALMINFREQ / div);
1135 else if (slowclk == SCC_SS_PCI)
1136 return max_freq ? (PCIMAXFREQ / div)
1137 : (PCIMINFREQ / div);
1141 /* Chipc rev 10 is InstaClock */
1142 div = R_REG(sii->osh, &cc->system_clk_ctl) >> SYCC_CD_SHIFT;
1143 div = 4 * (div + 1);
1144 return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
1149 static void si_clkctl_setdelay(si_info_t *sii, void *chipcregs)
1151 chipcregs_t *cc = (chipcregs_t *) chipcregs;
1152 uint slowmaxfreq, pll_delay, slowclk;
1153 uint pll_on_delay, fref_sel_delay;
1155 pll_delay = PLL_DELAY;
1157 /* If the slow clock is not sourced by the xtal then add the xtal_on_delay
1158 * since the xtal will also be powered down by dynamic clk control logic.
1161 slowclk = si_slowclk_src(sii);
1162 if (slowclk != SCC_SS_XTAL)
1163 pll_delay += XTAL_ON_DELAY;
1165 /* Starting with 4318 it is ILP that is used for the delays */
1167 si_slowclk_freq(sii, (sii->pub.ccrev >= 10) ? false : true, cc);
1169 pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
1170 fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
1172 W_REG(sii->osh, &cc->pll_on_delay, pll_on_delay);
1173 W_REG(sii->osh, &cc->fref_sel_delay, fref_sel_delay);
1176 /* initialize power control delay registers */
1177 void si_clkctl_init(si_t *sih)
1184 if (!CCCTL_ENAB(sih))
1188 fast = SI_FAST(sii);
1190 origidx = sii->curidx;
1191 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1195 cc = (chipcregs_t *) CCREGS_FAST(sii);
1201 /* set all Instaclk chip ILP to 1 MHz */
1202 if (sih->ccrev >= 10)
1203 SET_REG(sii->osh, &cc->system_clk_ctl, SYCC_CD_MASK,
1204 (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
1206 si_clkctl_setdelay(sii, (void *)cc);
1209 si_setcoreidx(sih, origidx);
1212 /* return the value suitable for writing to the dot11 core FAST_PWRUP_DELAY register */
1213 u16 si_clkctl_fast_pwrup_delay(si_t *sih)
1224 if (PMUCTL_ENAB(sih)) {
1225 INTR_OFF(sii, intr_val);
1226 fpdelay = si_pmu_fast_pwrup_delay(sih, sii->osh);
1227 INTR_RESTORE(sii, intr_val);
1231 if (!CCCTL_ENAB(sih))
1234 fast = SI_FAST(sii);
1237 origidx = sii->curidx;
1238 INTR_OFF(sii, intr_val);
1239 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1243 cc = (chipcregs_t *) CCREGS_FAST(sii);
1249 slowminfreq = si_slowclk_freq(sii, false, cc);
1250 fpdelay = (((R_REG(sii->osh, &cc->pll_on_delay) + 2) * 1000000) +
1251 (slowminfreq - 1)) / slowminfreq;
1255 si_setcoreidx(sih, origidx);
1256 INTR_RESTORE(sii, intr_val);
1261 /* turn primary xtal and/or pll off/on */
1262 int si_clkctl_xtal(si_t *sih, uint what, bool on)
1269 switch (BUSTYPE(sih->bustype)) {
1274 #endif /* BCMSDIO */
1277 /* pcie core doesn't have any mapping to control the xtal pu */
1281 in = OSL_PCI_READ_CONFIG(sii->osh, PCI_GPIO_IN, sizeof(u32));
1283 OSL_PCI_READ_CONFIG(sii->osh, PCI_GPIO_OUT, sizeof(u32));
1285 OSL_PCI_READ_CONFIG(sii->osh, PCI_GPIO_OUTEN,
1289 * Avoid glitching the clock if GPRS is already using it.
1290 * We can't actually read the state of the PLLPD so we infer it
1291 * by the value of XTAL_PU which *is* readable via gpioin.
1293 if (on && (in & PCI_CFG_GPIO_XTAL))
1297 outen |= PCI_CFG_GPIO_XTAL;
1299 outen |= PCI_CFG_GPIO_PLL;
1302 /* turn primary xtal on */
1304 out |= PCI_CFG_GPIO_XTAL;
1306 out |= PCI_CFG_GPIO_PLL;
1307 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_GPIO_OUT,
1309 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_GPIO_OUTEN,
1310 sizeof(u32), outen);
1311 udelay(XTAL_ON_DELAY);
1316 out &= ~PCI_CFG_GPIO_PLL;
1317 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_GPIO_OUT,
1323 out &= ~PCI_CFG_GPIO_XTAL;
1325 out |= PCI_CFG_GPIO_PLL;
1326 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_GPIO_OUT,
1328 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_GPIO_OUTEN,
1329 sizeof(u32), outen);
1340 * clock control policy function throught chipcommon
1342 * set dynamic clk control mode (forceslow, forcefast, dynamic)
1343 * returns true if we are forcing fast clock
1344 * this is a wrapper over the next internal function
1345 * to allow flexible policy settings for outside caller
1347 bool si_clkctl_cc(si_t *sih, uint mode)
1353 /* chipcommon cores prior to rev6 don't support dynamic clock control */
1357 if (PCI_FORCEHT(sii))
1358 return mode == CLK_FAST;
1360 return _si_clkctl_cc(sii, mode);
1363 /* clk control mechanism through chipcommon, no policy checking */
1364 static bool _si_clkctl_cc(si_info_t *sii, uint mode)
1370 bool fast = SI_FAST(sii);
1372 /* chipcommon cores prior to rev6 don't support dynamic clock control */
1373 if (sii->pub.ccrev < 6)
1376 /* Chips with ccrev 10 are EOL and they don't have SYCC_HR which we use below */
1377 ASSERT(sii->pub.ccrev != 10);
1380 INTR_OFF(sii, intr_val);
1381 origidx = sii->curidx;
1383 if ((BUSTYPE(sii->pub.bustype) == SI_BUS) &&
1384 si_setcore(&sii->pub, MIPS33_CORE_ID, 0) &&
1385 (si_corerev(&sii->pub) <= 7) && (sii->pub.ccrev >= 10))
1388 cc = (chipcregs_t *) si_setcore(&sii->pub, CC_CORE_ID, 0);
1390 cc = (chipcregs_t *) CCREGS_FAST(sii);
1396 if (!CCCTL_ENAB(&sii->pub) && (sii->pub.ccrev < 20))
1400 case CLK_FAST: /* FORCEHT, fast (pll) clock */
1401 if (sii->pub.ccrev < 10) {
1402 /* don't forget to force xtal back on before we clear SCC_DYN_XTAL.. */
1403 si_clkctl_xtal(&sii->pub, XTAL, ON);
1404 SET_REG(sii->osh, &cc->slow_clk_ctl,
1405 (SCC_XC | SCC_FS | SCC_IP), SCC_IP);
1406 } else if (sii->pub.ccrev < 20) {
1407 OR_REG(sii->osh, &cc->system_clk_ctl, SYCC_HR);
1409 OR_REG(sii->osh, &cc->clk_ctl_st, CCS_FORCEHT);
1412 /* wait for the PLL */
1413 if (PMUCTL_ENAB(&sii->pub)) {
1414 u32 htavail = CCS_HTAVAIL;
1415 SPINWAIT(((R_REG(sii->osh, &cc->clk_ctl_st) & htavail)
1416 == 0), PMU_MAX_TRANSITION_DLY);
1417 ASSERT(R_REG(sii->osh, &cc->clk_ctl_st) & htavail);
1423 case CLK_DYNAMIC: /* enable dynamic clock control */
1424 if (sii->pub.ccrev < 10) {
1425 scc = R_REG(sii->osh, &cc->slow_clk_ctl);
1426 scc &= ~(SCC_FS | SCC_IP | SCC_XC);
1427 if ((scc & SCC_SS_MASK) != SCC_SS_XTAL)
1429 W_REG(sii->osh, &cc->slow_clk_ctl, scc);
1431 /* for dynamic control, we have to release our xtal_pu "force on" */
1433 si_clkctl_xtal(&sii->pub, XTAL, OFF);
1434 } else if (sii->pub.ccrev < 20) {
1436 AND_REG(sii->osh, &cc->system_clk_ctl, ~SYCC_HR);
1438 AND_REG(sii->osh, &cc->clk_ctl_st, ~CCS_FORCEHT);
1448 si_setcoreidx(&sii->pub, origidx);
1449 INTR_RESTORE(sii, intr_val);
1451 return mode == CLK_FAST;
1454 /* Build device path. Support SI, PCI, and JTAG for now. */
1455 int si_devpath(si_t *sih, char *path, int size)
1459 ASSERT(path != NULL);
1460 ASSERT(size >= SI_DEVPATH_BUFSZ);
1462 if (!path || size <= 0)
1465 switch (BUSTYPE(sih->bustype)) {
1468 slen = snprintf(path, (size_t) size, "sb/%u/", si_coreidx(sih));
1471 ASSERT((SI_INFO(sih))->osh != NULL);
1472 slen = snprintf(path, (size_t) size, "pci/%u/%u/",
1473 OSL_PCI_BUS((SI_INFO(sih))->osh),
1474 OSL_PCI_SLOT((SI_INFO(sih))->osh));
1479 SI_ERROR(("si_devpath: device 0 assumed\n"));
1480 slen = snprintf(path, (size_t) size, "sd/%u/", si_coreidx(sih));
1489 if (slen < 0 || slen >= size) {
1497 /* Get a variable, but only if it has a devpath prefix */
1498 char *si_getdevpathvar(si_t *sih, const char *name)
1500 char varname[SI_DEVPATH_BUFSZ + 32];
1502 si_devpathvar(sih, varname, sizeof(varname), name);
1504 return getvar(NULL, varname);
1507 /* Get a variable, but only if it has a devpath prefix */
1508 int si_getdevpathintvar(si_t *sih, const char *name)
1510 #if defined(BCMBUSTYPE) && (BCMBUSTYPE == SI_BUS)
1511 return getintvar(NULL, name);
1513 char varname[SI_DEVPATH_BUFSZ + 32];
1515 si_devpathvar(sih, varname, sizeof(varname), name);
1517 return getintvar(NULL, varname);
1521 char *si_getnvramflvar(si_t *sih, const char *name)
1523 return getvar(NULL, name);
1526 /* Concatenate the dev path with a varname into the given 'var' buffer
1527 * and return the 'var' pointer.
1528 * Nothing is done to the arguments if len == 0 or var is NULL, var is still returned.
1529 * On overflow, the first char will be set to '\0'.
1531 static char *si_devpathvar(si_t *sih, char *var, int len, const char *name)
1535 if (!var || len <= 0)
1538 if (si_devpath(sih, var, len) == 0) {
1539 path_len = strlen(var);
1541 if (strlen(name) + 1 > (uint) (len - path_len))
1544 strncpy(var + path_len, name, len - path_len - 1);
1550 /* return true if PCIE capability exists in the pci config space */
1551 static __used bool si_ispcie(si_info_t *sii)
1555 if (BUSTYPE(sii->pub.bustype) != PCI_BUS)
1559 pcicore_find_pci_capability(sii->osh, PCI_CAP_PCIECAP_ID, NULL,
1568 /* initialize the sdio core */
1569 void si_sdio_init(si_t *sih)
1571 si_info_t *sii = SI_INFO(sih);
1573 if (((sih->buscoretype == PCMCIA_CORE_ID) && (sih->buscorerev >= 8)) ||
1574 (sih->buscoretype == SDIOD_CORE_ID)) {
1576 sdpcmd_regs_t *sdpregs;
1578 /* get the current core index */
1580 ASSERT(idx == si_findcoreidx(sih, D11_CORE_ID, 0));
1582 /* switch to sdio core */
1583 sdpregs = (sdpcmd_regs_t *) si_setcore(sih, PCMCIA_CORE_ID, 0);
1586 (sdpcmd_regs_t *) si_setcore(sih, SDIOD_CORE_ID, 0);
1589 SI_MSG(("si_sdio_init: For PCMCIA/SDIO Corerev %d, enable ints from core %d " "through SD core %d (%p)\n", sih->buscorerev, idx, sii->curidx, sdpregs));
1591 /* enable backplane error and core interrupts */
1592 W_REG(sii->osh, &sdpregs->hostintmask, I_SBINT);
1593 W_REG(sii->osh, &sdpregs->sbintmask,
1594 (I_SB_SERR | I_SB_RESPERR | (1 << idx)));
1596 /* switch back to previous core */
1597 si_setcoreidx(sih, idx);
1600 /* enable interrupts */
1601 bcmsdh_intr_enable(sii->sdh);
1604 #endif /* BCMSDIO */
1606 bool si_pci_war16165(si_t *sih)
1612 return PCI(sii) && (sih->buscorerev <= 10);
1615 void si_pci_up(si_t *sih)
1621 /* if not pci bus, we're done */
1622 if (BUSTYPE(sih->bustype) != PCI_BUS)
1625 if (PCI_FORCEHT(sii))
1626 _si_clkctl_cc(sii, CLK_FAST);
1629 pcicore_up(sii->pch, SI_PCIUP);
1633 /* Unconfigure and/or apply various WARs when system is going to sleep mode */
1634 void si_pci_sleep(si_t *sih)
1640 pcicore_sleep(sii->pch);
1643 /* Unconfigure and/or apply various WARs when going down */
1644 void si_pci_down(si_t *sih)
1650 /* if not pci bus, we're done */
1651 if (BUSTYPE(sih->bustype) != PCI_BUS)
1654 /* release FORCEHT since chip is going to "down" state */
1655 if (PCI_FORCEHT(sii))
1656 _si_clkctl_cc(sii, CLK_DYNAMIC);
1658 pcicore_down(sii->pch, SI_PCIDOWN);
1662 * Configure the pci core for pci client (NIC) action
1663 * coremask is the bitvec of cores by index to be enabled.
1665 void si_pci_setup(si_t *sih, uint coremask)
1668 struct sbpciregs *pciregs = NULL;
1674 if (BUSTYPE(sii->pub.bustype) != PCI_BUS)
1677 ASSERT(PCI(sii) || PCIE(sii));
1678 ASSERT(sii->pub.buscoreidx != BADIDX);
1681 /* get current core index */
1684 /* we interrupt on this backplane flag number */
1685 siflag = si_flag(sih);
1687 /* switch over to pci core */
1688 pciregs = (struct sbpciregs *)si_setcoreidx(sih, sii->pub.buscoreidx);
1692 * Enable sb->pci interrupts. Assume
1693 * PCI rev 2.3 support was added in pci core rev 6 and things changed..
1695 if (PCIE(sii) || (PCI(sii) && ((sii->pub.buscorerev) >= 6))) {
1696 /* pci config write to set this core bit in PCIIntMask */
1697 w = OSL_PCI_READ_CONFIG(sii->osh, PCI_INT_MASK, sizeof(u32));
1698 w |= (coremask << PCI_SBIM_SHIFT);
1699 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_INT_MASK, sizeof(u32), w);
1701 /* set sbintvec bit for our flag number */
1702 si_setint(sih, siflag);
1706 OR_REG(sii->osh, &pciregs->sbtopci2,
1707 (SBTOPCI_PREF | SBTOPCI_BURST));
1708 if (sii->pub.buscorerev >= 11) {
1709 OR_REG(sii->osh, &pciregs->sbtopci2,
1710 SBTOPCI_RC_READMULTI);
1711 w = R_REG(sii->osh, &pciregs->clkrun);
1712 W_REG(sii->osh, &pciregs->clkrun,
1713 (w | PCI_CLKRUN_DSBL));
1714 w = R_REG(sii->osh, &pciregs->clkrun);
1717 /* switch back to previous core */
1718 si_setcoreidx(sih, idx);
1723 * Fixup SROMless PCI device's configuration.
1724 * The current core may be changed upon return.
1726 int si_pci_fixcfg(si_t *sih)
1728 uint origidx, pciidx;
1729 struct sbpciregs *pciregs = NULL;
1730 sbpcieregs_t *pcieregs = NULL;
1732 u16 val16, *reg16 = NULL;
1734 si_info_t *sii = SI_INFO(sih);
1736 ASSERT(BUSTYPE(sii->pub.bustype) == PCI_BUS);
1738 /* Fixup PI in SROM shadow area to enable the correct PCI core access */
1739 /* save the current index */
1740 origidx = si_coreidx(&sii->pub);
1742 /* check 'pi' is correct and fix it if not */
1743 if (sii->pub.buscoretype == PCIE_CORE_ID) {
1745 (sbpcieregs_t *) si_setcore(&sii->pub, PCIE_CORE_ID, 0);
1747 ASSERT(pcieregs != NULL);
1748 reg16 = &pcieregs->sprom[SRSH_PI_OFFSET];
1749 } else if (sii->pub.buscoretype == PCI_CORE_ID) {
1750 pciregs = (struct sbpciregs *)si_setcore(&sii->pub, PCI_CORE_ID, 0);
1752 ASSERT(pciregs != NULL);
1753 reg16 = &pciregs->sprom[SRSH_PI_OFFSET];
1755 pciidx = si_coreidx(&sii->pub);
1756 val16 = R_REG(sii->osh, reg16);
1757 if (((val16 & SRSH_PI_MASK) >> SRSH_PI_SHIFT) != (u16) pciidx) {
1759 (u16) (pciidx << SRSH_PI_SHIFT) | (val16 &
1761 W_REG(sii->osh, reg16, val16);
1764 /* restore the original index */
1765 si_setcoreidx(&sii->pub, origidx);
1767 pcicore_hwup(sii->pch);
1771 /* mask&set gpiocontrol bits */
1772 u32 si_gpiocontrol(si_t *sih, u32 mask, u32 val, u8 priority)
1778 /* gpios could be shared on router platforms
1779 * ignore reservation if it's high priority (e.g., test apps)
1781 if ((priority != GPIO_HI_PRIORITY) &&
1782 (BUSTYPE(sih->bustype) == SI_BUS) && (val || mask)) {
1783 mask = priority ? (si_gpioreservation & mask) :
1784 ((si_gpioreservation | mask) & ~(si_gpioreservation));
1788 regoff = offsetof(chipcregs_t, gpiocontrol);
1789 return si_corereg(sih, SI_CC_IDX, regoff, mask, val);
1792 /* Return the size of the specified SOCRAM bank */
1794 socram_banksize(si_info_t *sii, sbsocramregs_t *regs, u8 index,
1797 uint banksize, bankinfo;
1798 uint bankidx = index | (mem_type << SOCRAM_BANKIDX_MEMTYPE_SHIFT);
1800 ASSERT(mem_type <= SOCRAM_MEMTYPE_DEVRAM);
1802 W_REG(sii->osh, ®s->bankidx, bankidx);
1803 bankinfo = R_REG(sii->osh, ®s->bankinfo);
1805 SOCRAM_BANKINFO_SZBASE * ((bankinfo & SOCRAM_BANKINFO_SZMASK) + 1);
1809 /* Return the RAM size of the SOCRAM core */
1810 u32 si_socram_size(si_t *sih)
1816 sbsocramregs_t *regs;
1824 /* Block ints and save current core */
1825 INTR_OFF(sii, intr_val);
1826 origidx = si_coreidx(sih);
1828 /* Switch to SOCRAM core */
1829 regs = si_setcore(sih, SOCRAM_CORE_ID, 0);
1833 /* Get info for determining size */
1834 wasup = si_iscoreup(sih);
1836 si_core_reset(sih, 0, 0);
1837 corerev = si_corerev(sih);
1838 coreinfo = R_REG(sii->osh, ®s->coreinfo);
1840 /* Calculate size from coreinfo based on rev */
1842 memsize = 1 << (16 + (coreinfo & SRCI_MS0_MASK));
1843 else if (corerev < 3) {
1844 memsize = 1 << (SR_BSZ_BASE + (coreinfo & SRCI_SRBSZ_MASK));
1845 memsize *= (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
1846 } else if ((corerev <= 7) || (corerev == 12)) {
1847 uint nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
1848 uint bsz = (coreinfo & SRCI_SRBSZ_MASK);
1849 uint lss = (coreinfo & SRCI_LSS_MASK) >> SRCI_LSS_SHIFT;
1852 memsize = nb * (1 << (bsz + SR_BSZ_BASE));
1854 memsize += (1 << ((lss - 1) + SR_BSZ_BASE));
1857 uint nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
1858 for (i = 0; i < nb; i++)
1860 socram_banksize(sii, regs, i, SOCRAM_MEMTYPE_RAM);
1863 /* Return to previous state and core */
1865 si_core_disable(sih, 0);
1866 si_setcoreidx(sih, origidx);
1869 INTR_RESTORE(sii, intr_val);
1874 void si_chipcontrl_epa4331(si_t *sih, bool on)
1882 origidx = si_coreidx(sih);
1884 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1886 val = R_REG(sii->osh, &cc->chipcontrol);
1889 if (sih->chippkg == 9 || sih->chippkg == 0xb) {
1890 /* Ext PA Controls for 4331 12x9 Package */
1891 W_REG(sii->osh, &cc->chipcontrol, val |
1892 (CCTRL4331_EXTPA_EN |
1893 CCTRL4331_EXTPA_ON_GPIO2_5));
1895 /* Ext PA Controls for 4331 12x12 Package */
1896 W_REG(sii->osh, &cc->chipcontrol,
1897 val | (CCTRL4331_EXTPA_EN));
1900 val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5);
1901 W_REG(sii->osh, &cc->chipcontrol, val);
1904 si_setcoreidx(sih, origidx);
1907 /* Enable BT-COEX & Ex-PA for 4313 */
1908 void si_epa_4313war(si_t *sih)
1915 origidx = si_coreidx(sih);
1917 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1920 W_REG(sii->osh, &cc->gpiocontrol,
1921 R_REG(sii->osh, &cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK);
1923 si_setcoreidx(sih, origidx);
1926 /* check if the device is removed */
1927 bool si_deviceremoved(si_t *sih)
1934 switch (BUSTYPE(sih->bustype)) {
1936 ASSERT(sii->osh != NULL);
1937 w = OSL_PCI_READ_CONFIG(sii->osh, PCI_CFG_VID, sizeof(u32));
1938 if ((w & 0xFFFF) != VENDOR_BROADCOM)
1945 bool si_is_sprom_available(si_t *sih)
1947 if (sih->ccrev >= 31) {
1953 if ((sih->cccaps & CC_CAP_SROM) == 0)
1957 origidx = sii->curidx;
1958 cc = si_setcoreidx(sih, SI_CC_IDX);
1959 sromctrl = R_REG(sii->osh, &cc->sromcontrol);
1960 si_setcoreidx(sih, origidx);
1961 return sromctrl & SRC_PRESENT;
1964 switch (CHIPID(sih->chip)) {
1965 case BCM4329_CHIP_ID:
1966 return (sih->chipst & CST4329_SPROM_SEL) != 0;
1967 case BCM4319_CHIP_ID:
1968 return (sih->chipst & CST4319_SPROM_SEL) != 0;
1969 case BCM4336_CHIP_ID:
1970 return (sih->chipst & CST4336_SPROM_PRESENT) != 0;
1971 case BCM4330_CHIP_ID:
1972 return (sih->chipst & CST4330_SPROM_PRESENT) != 0;
1973 case BCM4313_CHIP_ID:
1974 return (sih->chipst & CST4313_SPROM_PRESENT) != 0;
1975 case BCM4331_CHIP_ID:
1976 return (sih->chipst & CST4331_SPROM_PRESENT) != 0;
1982 bool si_is_otp_disabled(si_t *sih)
1984 switch (CHIPID(sih->chip)) {
1985 case BCM4329_CHIP_ID:
1986 return (sih->chipst & CST4329_SPROM_OTP_SEL_MASK) ==
1988 case BCM4319_CHIP_ID:
1989 return (sih->chipst & CST4319_SPROM_OTP_SEL_MASK) ==
1991 case BCM4336_CHIP_ID:
1992 return (sih->chipst & CST4336_OTP_PRESENT) == 0;
1993 case BCM4330_CHIP_ID:
1994 return (sih->chipst & CST4330_OTP_PRESENT) == 0;
1995 case BCM4313_CHIP_ID:
1996 return (sih->chipst & CST4313_OTP_PRESENT) == 0;
1997 /* These chips always have their OTP on */
1998 case BCM43224_CHIP_ID:
1999 case BCM43225_CHIP_ID:
2000 case BCM43421_CHIP_ID:
2001 case BCM43235_CHIP_ID:
2002 case BCM43236_CHIP_ID:
2003 case BCM43238_CHIP_ID:
2004 case BCM4331_CHIP_ID:
2010 bool si_is_otp_powered(si_t *sih)
2012 if (PMUCTL_ENAB(sih))
2013 return si_pmu_is_otp_powered(sih, si_osh(sih));
2017 void si_otp_power(si_t *sih, bool on)
2019 if (PMUCTL_ENAB(sih))
2020 si_pmu_otp_power(sih, si_osh(sih), on);